Cubs sign lefty Ryan, bolster bullpen depth

One of the items on the Cubs' to-do list this offseason was to add more left-handed depth to their bullpen. The club took a step in that direction on Wednesday by retaining one of its free agents.

Chicago announced that it reached an agreement on a Major League contract with left-hander Kyle Ryan, who was a Minor League free agent this offseason after spending last year in the Cubs' system. With Ryan added to the fold, the team's 40-man roster is now at capacity.

Earlier on Wednesday, the Cubs acquired infielder Ronald Torreyes from the Yankees in exchange for a player to be named later or cash.

Ryan, 27, spent parts of four Major League seasons with the Tigers from 2014-17, but he stayed at…